In the datasheets, 1 is stated as the peak forward voltage.A continuous forward current of 0.1 is the maximum consumption of this device.RF diode is necessary to operate the device at a DC reverse voltage below 200.
JANTXV1N4938UR-1 Features
the forward peak voltage is 1
JANTXV1N4938UR-1 Applications
There are a lot of Microsemi JANTXV1N4938UR-1 applications of RF diodes.